Home / 193,298.10-289,947.15-137,310.90

Finding the Fourth Proportional to 193,298.10, 289,947.15 and 137,310.90

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Solution

The fourth proportional to 193,298.10, 289,947.15 and 137,310.90 is: 205,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,298.10 : 289,947.15 = 137,310.90 : x
  2. Step 2: Convert to fraction form
    193,298.10/289,947.15 = 137,310.90/x
  3. Step 3: Cross multiply
    193,298.10x = 289,947.15 × 137,310.90
  4. Step 4: Simplify right side
    193,298.10x = 39,812,904,118.94
  5. Step 5: Solve for x
    x = 39,812,904,118.94/193,298.10
  6. Step 6: Final answer
    x = 205,966.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.